[1] [CITE[Exception::Class - search.cpan.org]]
([TIME[2017-07-17 12:05:53 +09:00]])
<http://search.cpan.org/dist/Exception-Class/lib/Exception/Class.pm>

[2] [CITE[Exception::Class::DBI - search.cpan.org]]
([TIME[2017-07-17 13:00:42 +09:00]])
<http://search.cpan.org/dist/Exception-Class-DBI/lib/Exception/Class/DBI.pm>